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C] L"G F EXPLORATORY PROJECT NUMBER 939-02.06 BORING NO. G-1 PROJECT NAME S. J. County Landfill Development Site PAGE 8 OF 9 BY BAB DATE 6/22-23/87 SURFACE ELEV. 117.07 POCKET PENETRA- h LITHO- TORVANE PENETRO- METER TIONz Uj _j w = a GRAPHIC DESCRIPTION (T5 F) (TSF) (BFt )S/ ,�`' 3 _j c ra COLUMN 40 ML- SANDY SILT to SILTY SAND (continued); SM dark yellowish brown (10YR, 4/4); very fine to fine grained; minor medium grained, common black coat- ings; increasingly more indurated. CL/ CLAY and SILTY SAND, Interbedded (1:1); 145 -ESM Clay: weak red (2.5YR, 5/2); more indurated than clay above. Silty Sand: dark yellowish brown (10YR, 4/4); 40% fines; very fine to fine grained; minor medium grained; trace iron and manganese oxidation. SILTY SAND, dark yellowish brown (10YR, SM 4/4); 15-25% fines; very fine to fine grained; slightly more quartzose and 150 micaceous than above; iron (?) g cemented; low rock hardness. 6/23/87 SM/ SM- SILTY SAND, SAND, SANDY SILT and CLAY, SP/ Interbedded (approximately 50%, 10%, ML/ 20%, 20%); CL Silty Sand: as at 150'. Sand: yellowish brown (10YR, 5/4); 155 5-10% fines; predominantly medium SM- ' to coarse grained; trace very hard SP rounded fine. pebbles. Sandy Silt: dark yellowish brown (10YR, 4/6); 20-25% fine-grained Box sand; slightly clayey; trace fine -Core 1 SM rootho 1 es-. SILTY SAND, yellowish brown (10YR, 5/4); 10% fines; predominantly medium to coarse grained; trace fine gravel; L-460 minor clay interbeds. REMARKS 2denotes first encountered water. Interval 156.5-166.5 feet cored (2 feet recovery). denotes core recovered.